A study published earlier this year suggests that fat people can be as healthy as thin people. A group of medical doctors tracked the weights and habits of 12,000 people over several years. They found that the people who are most at risk of dying young are those who are obese but do not engage in any "healthy… »4/17/12 7:40am 4/17/12 7:40am

Want to shed some pounds? It's not that difficult if you can leave your limited environment for one where you're challenged and interact with more people. At least with mice, changing habitat to one that's more social and offers a wider variety of activities led to a remarkable physical transformation. Much of the… »9/09/11 7:30am 9/09/11 7:30am

There are tons of genetic reasons why people are obese - after all, it's important that we eat, and we didn't evolve to live in a world of plentiful food. But why would anyone be genetically predisposed to extreme thinness? »8/31/11 2:01pm 8/31/11 2:01pm

Most fat cells are called white fat cells - they store excess energy and make it tough to lose weight. But we've discovered how to turn mice's white fat cells into energy burning brown fat cells, and humans could be next. »12/20/10 5:00pm 12/20/10 5:00pm